H A Wyrick #1

PENNEL CREEK· Fallon, Montana· Built 1954· Earth· 15 ft tall
Low Hazard Irrigation Private

Key Takeaway

H A Wyrick #1 is classified as low hazard in Montana. It was completed in 1954 and is 72 years old. Its primary use is irrigation.

Physical Details

Dam Height 15 ft (taller than 18.8% in MT)
Dam Length650 ft
Dam TypeEarth
Max Storage110 acre-ft
Normal Storage44 acre-ft
Year Completed1954 (72 years old)
NID IDMT02767

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

HAROLD WYRICK

Private

Nearby Dams

Thielen #1

Fallon, MT

Low Hazard 10 ft

Oscar #1

Fallon, MT

Low Hazard 12 ft

Leo #2

Fallon, MT

Low Hazard 20 ft

Oscar #6

Fallon, MT

Low Hazard 20 ft

R Maier

Fallon, MT

Low Hazard 18 ft

South Sandstone Creek Dam

Fallon, MT

Significant Hazard 47 ft

Keirle

Fallon, MT

Low Hazard 15 ft

Wyrick

Fallon, MT

Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of H A Wyrick #1?

H A Wyrick #1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates H A Wyrick #1?

H A Wyrick #1 is owned by HAROLD WYRICK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was H A Wyrick #1 built?

H A Wyrick #1 was completed in 1954, making it 72 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of H A Wyrick #1?

H A Wyrick #1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is H A Wyrick #1?

H A Wyrick #1 has a dam height of 15 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.